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The first manmade satellite of our country weighs 173 kilogrammes.
我国第一颗人造卫星重达173千克。
youdao
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China succeeded in launching its first manmade earth satellite in 1970.
一九七〇年中国成功地发射了第一颗人造地球卫星。
youdao
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China succeeded in launching its first manmade earth satellite in 1970.
一九七〇年中国成功地发射了第一颗人造地球卫星。
youdao